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C47940 Brass vs. C69710 Brass

Both C47940 brass and C69710 brass are copper alloys. They have 84% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14 to 34
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 250 to 310
300
Tensile Strength: Ultimate (UTS), MPa 380 to 520
470
Tensile Strength: Yield (Proof), MPa 160 to 390
230

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 850
930
Melting Onset (Solidus), °C 800
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 25
26
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
99
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
250
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 17
16
Strength to Weight: Bending, points 14 to 17
16
Thermal Diffusivity, mm2/s 36
12
Thermal Shock Resistance, points 13 to 17
16

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 63 to 66
75 to 80
Iron (Fe), % 0.1 to 1.0
0 to 0.2
Lead (Pb), % 1.0 to 2.0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nickel (Ni), % 0.1 to 0.5
0
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
13.8 to 22
Residuals, % 0
0 to 0.5